This file is indexed.

/usr/include/id3/writers.h is in libid3-3.8.3-dev 3.8.3-16.2build1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
// -*- C++ -*-
// $Id: writers.h,v 1.11 2002/07/02 22:11:16 t1mpy Exp $

// id3lib: a software library for creating and manipulating id3v1/v2 tags
// Copyright 1999, 2000  Scott Thomas Haug

// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Library General Public License as published by
// the Free Software Foundation; either version 2 of the License, or (at your
// option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
// License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with this library; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

// The id3lib authors encourage improvements and optimisations to be sent to
// the id3lib coordinator.  Please see the README file for details on where to
// send such submissions.  See the AUTHORS file for a list of people who have
// contributed to id3lib.  See the ChangeLog file for a list of changes to
// id3lib.  These files are distributed with id3lib at
// http://download.sourceforge.net/id3lib/

#ifndef _ID3LIB_WRITERS_H_
#define _ID3LIB_WRITERS_H_

#include "id3/writer.h"
#include "id3/id3lib_streams.h"
#include <cstring>

class ID3_CPP_EXPORT ID3_OStreamWriter : public ID3_Writer
{
  ostream& _stream;
  pos_type _beg;
 protected:
  ostream& getWriter() const { return _stream; }
 public:
  ID3_OStreamWriter(ostream& writer) : _stream(writer), _beg(_stream.tellp()) { ; }
  virtual ~ID3_OStreamWriter() { ; }

  virtual void close() { ; }
  virtual void flush() { _stream.flush(); }
  
  virtual int_type writeChar(char_type ch)
  {
    _stream.put(ch);
    return ch;
  }

  /** Write up to \c len chars into buf and advance the internal position
   ** accordingly.  Returns the number of characters write into buf.
   **/
  virtual size_type writeChars(const char buf[], size_type len)
  { 
    _stream.write(buf, len);
    return len;
  }
  virtual size_type writeChars(const char_type buf[], size_type len)
  {
    _stream.write(reinterpret_cast<const char*>(buf), len);
    return len;
  }

  virtual pos_type getBeg() { return _beg; }
  virtual pos_type getCur() { return _stream.tellp(); }
};

class ID3_CPP_EXPORT ID3_OFStreamWriter : public ID3_OStreamWriter
{
  ofstream& _file;
 public:
  ID3_OFStreamWriter(ofstream& writer) 
    : ID3_OStreamWriter(writer), _file(writer) { ; }
    
  virtual void close() 
  { 
    _file.close();
  }
};
  
class ID3_CPP_EXPORT ID3_IOStreamWriter : public ID3_Writer
{
  iostream& _stream;
  pos_type  _beg;
 protected:
  iostream& getWriter() const { return _stream; }
 public:
  ID3_IOStreamWriter(iostream& writer) : _stream(writer), _beg(_stream.tellp()) { ; }
  virtual ~ID3_IOStreamWriter() { ; }

  virtual void close() { ; }
  virtual void flush() { _stream.flush(); }
  
  virtual int_type writeChar(char_type ch)
  {
    _stream.put(ch);
    return ch;
  }

  /** Write up to \c len chars into buf and advance the internal position
   ** accordingly.  Returns the number of characters write into buf.
   **/
  virtual size_type writeChars(const char buf[], size_type len)
  { 
    _stream.write(buf, len);
    return len;
  }
  virtual size_type writeChars(const char_type buf[], size_type len)
  {
    _stream.write(reinterpret_cast<const char*>(buf), len);
    return len;
  }

  virtual pos_type getBeg() { return _beg; }
  virtual pos_type getCur() { return _stream.tellp(); }
};

class ID3_CPP_EXPORT ID3_FStreamWriter : public ID3_IOStreamWriter
{
  fstream& _file;
 public:
  ID3_FStreamWriter(fstream& writer) 
    : ID3_IOStreamWriter(writer), _file(writer) { ; }
    
  virtual void close() 
  { 
    _file.close();
  }
};
  
class ID3_CPP_EXPORT ID3_MemoryWriter : public ID3_Writer
{
  const char_type* _beg;
  /* */ char_type* _cur;
  const char_type* _end;
 protected:
  void setBuffer(char_type* buf, size_t size)
  {
    _beg = buf;
    _cur = buf;
    _end = buf + size;
  };
 public:
  ID3_MemoryWriter()
  {
    this->setBuffer(NULL, 0);
  }
  ID3_MemoryWriter(char_type buf[], size_t size)
  {
    this->setBuffer(buf, size);
  }
  virtual ~ID3_MemoryWriter() { ; }
  virtual void close() { ; }
  virtual void flush() { ; }
    
  /** Write up to \c len chars from buf and advance the internal position
   ** accordingly.  Returns the number of characters written from buf.
   **/
  virtual size_type writeChars(const char buf[], size_type len)
  { 
    return this->writeChars(reinterpret_cast<const char_type *>(buf), len);
  }
  virtual size_type writeChars(const char_type buf[], size_type len)
  {
    size_type remaining = _end - _cur;
    size_type size = (remaining > len) ? len : remaining;
    ::memcpy(_cur, buf, size);
    _cur += size;
    return size;
  }
    
  virtual pos_type getCur() 
  { 
    return _cur - _beg; 
  }
    
  virtual pos_type getBeg()
  {
    return _beg - _beg;
  }
    
  virtual pos_type getEnd()
  {
    return _end - _beg;
  }
};

#endif /* _ID3LIB_WRITERS_H_ */